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When her boyfriend called her mother, she had been raped and [had been] murdered.

If she had used the right settings and [had] applied the right filter, the assassination would have been solved.

Is a second had needed?

Thanks in advance!
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No.
CB
Comments  
Hi New2grammar

If she had used the right settings and [had] applied the right filter, the assassination would have been solved.

'Assassination' is used for the murder of an important or famous person.